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delta guaiene/patchouli
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[Constituents analysis on volatile oil of Pogostemon cablin from different collection time cultivated in Hainan].
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The constituents of the volatile oil of Pogostemon cablin collected from Wanning city, Hainan province and the influence owing to different collection time were undertaken by GC/MS combination technology. The results showed that main compounds was patchouli alcohol in stem oil and leaf oil, its
Quantitative and physical evaluation of patchouli essential oils obtained from different sources of Pogostemon cablin.
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Patchouli essential oil can be obtained from fresh, dried and fermented plant material. It is a highly valuable product in the fragrance industry and its quality changes depending upon raw material age and oil storage. In this work, patchouli essential oils derived from different treatments have
GC-MS fingerprint of Pogostemon cablin in China.
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Pogostemon cablin, originating in Malaysia and India, is cultivated in southern China including Guangdong and Hainan Province, which was called GuangHuoXiang to differentiate it from the HuoXiang of the north, the species Agastache rugosa, that it resembles. Essential oil of P. cablin mainly
[Two chemotypes of Pogostemon cablin and influence of region of cultivation and harvesting time on volatile oil composition].
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OBJECTIVE
To analyze and compare the constituents of the volatile oil of Pogostemon cablin collected from different regions of cultivation and harvesting times in order to evaluate the quality of Shipai Huoxiang and to expound the chemical intension of Pogostemon cablin.
METHODS
The combination of
[GC-MS analysis of volatile oil of Herba Pogostemonis collected from Leizhou county].
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The chemical constituents of the volatile oil of the stems and leaves of Pogostemon cablin collected from Leizhou county have been analysed by means of GC-MS. The main constituents are patchouli alcohol, delta-guaiene, alpha-guaiene, seychellene, alpha-patchoulene, aciphyllene, trans-caryophyllene.
Essential oil composition of valeriana jatamansi jones from himalayan regions of India.
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Valeriana jatamansi Jones germplasm collected from sub-temperate Himalayan region of Uttarakhand and North-East state of Meghalaya, India was evaluated under identical conditions at National Bureau of Plant Genetic Resources, Bhowali, India, to study germplasm diversity based on essential oil
[Study on the chemical constituents of the volatile oil from Lysimachia trientaloides Hemsl].
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The volatile oil from Lysimachia trientaloides Hemsl. was obtained by steam distillation. The chemical constituents were separated and identified by gas chromatography-mass spectrometry (GC-MS). The relative contents in the volatile oil were determined by peak area normalization. The yield of oil by
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